Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

University of Virginia
Skills you'll gain: User Story, Javascript, Model View Controller, Debugging, HTML and CSS, Prototyping, jQuery, Javascript and jQuery, Web Applications, Hypertext Markup Language (HTML), User Interface (UI), Interactive Design, Web Design and Development, Web Development Tools, Web Design, Application Programming Interface (API), Application Development, Cascading Style Sheets (CSS), Software Development, Frontend Integration
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Debugging, Integrated Development Environments, Data Validation, Web Applications, Scripting, Object Oriented Design, Development Environment, Object Oriented Programming (OOP), Application Development, Code Reusability, Django (Web Framework), Web Development Tools, Software Testing, Web Development, Customer Data Management, Data Structures, Program Development, Python Programming, Record Keeping, Programming Principles
Intermediate · Specialization · 1 - 3 Months

Minnesota State University, Mankato
Skills you'll gain: Human Resources Management and Planning, Employee Engagement, Organizational Change, Organizational Structure, Negotiation, Business Workflow Analysis, Human Resource Management, Organizational Development, Conflict Management, Talent Management, Change Management, Performance Management, Strategic Leadership, Team Management, Stakeholder Management, Process Improvement, Business Strategies, Business Strategy, Problem Solving, Decision Making
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Kotlin, Android Jetpack, Cross Platform Development, Mobile Development, Cloud Deployment, Android Development, Mobile Development Tools, Code Reusability, Back-End Web Development, UI Components, Server Side, Google Cloud Platform, Cloud Development, Frontend Integration, MongoDB, Interoperability, User Interface (UI), Web Applications, Systems Integration, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Reinforcement Learning, Deep Learning, Model Training, Artificial Intelligence and Machine Learning (AI/ML), PyTorch (Machine Learning Library), Tensorflow, Machine Learning, Quantum computing, Machine Learning Algorithms, Artificial Intelligence, Model Optimization, Artificial Neural Networks, Algorithms, Python Programming
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Prometheus (Software), Performance Metric, Data Processing, Network Monitoring, Transaction Processing, Event Monitoring, Configuration Management, Network Troubleshooting, Network Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Google Cloud Platform, Scripting, Data-Driven Decision-Making, Model Training, Applied Machine Learning, Machine Learning Methods, Artificial Neural Networks, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Cloud Computing, Development Environment
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Scaled Agile Framework, Agile Methodology, Agile Software Development, Kanban Principles, Project Management Institute (PMI) Methodology, Prioritization, Scalability, Lean Methodologies, Waterfall Methodology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AutoCAD, Technical Drawing, Engineering Drawings, Computer-Aided Design, Architectural Drawing, Drafting and Engineering Design, Autodesk, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis, Machine Learning Algorithms, Statistical Analysis, Probability & Statistics, Probability Distribution, R Programming, Machine Learning Methods, Statistical Methods, R (Software), Applied Machine Learning, Statistical Machine Learning, Statistics, Statistical Modeling, Machine Learning, Statistical Inference, Classification Algorithms, Statistical Programming, Correlation Analysis, Data Manipulation, Supervised Learning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Payroll Processing, Payroll Administration, Accounting Software, Financial Reporting, Payroll Systems, Business Reporting, Accounting, General Accounting, Management Reporting, Standard Accounting Practices, Accounting Systems, Accounting and Finance Software, Tax Management, Payroll Reporting, Workflow Management, Vendor Management, Vendor Relationship Management, Accounts Payable, Small Business Accounting, Accounting Records
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Administration, Network Architecture, Hardware Troubleshooting
Beginner · Course · 1 - 3 Months